From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B7DAC282CE for ; Tue, 12 Feb 2019 02:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2309021B18 for ; Tue, 12 Feb 2019 02:13:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728058AbfBLCNH (ORCPT ); Mon, 11 Feb 2019 21:13:07 -0500 Received: from mga09.intel.com ([134.134.136.24]:26869 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726751AbfBLCMx (ORCPT ); Mon, 11 Feb 2019 21:12:53 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Feb 2019 18:12:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,361,1544515200"; d="scan'208";a="146057852" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by fmsmga001.fm.intel.com with ESMTP; 11 Feb 2019 18:12:52 -0800 From: Wei Yang To: x86@kernel.org, linux-kernel@vger.kernel.org Cc: dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.or, tglx@linutronix.de, Wei Yang Subject: [PATCH 2/6] x86, mm: remove check in save_mr Date: Tue, 12 Feb 2019 10:12:11 +0800 Message-Id: <20190212021215.13247-3-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190212021215.13247-1-richardw.yang@linux.intel.com> References: <20190212021215.13247-1-richardw.yang@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This check has been validated before calling save_mr. It is not necessary to do this again. Signed-off-by: Wei Yang --- arch/x86/mm/init.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 1b980b70911a..6fb84be79c7c 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -259,14 +259,12 @@ static int __meminit save_mr(struct map_range *mr, int nr_range, unsigned long start_pfn, unsigned long end_pfn, unsigned long page_size_mask) { - if (start_pfn < end_pfn) { - if (nr_range >= NR_RANGE_MR) - panic("run out of range for init_memory_mapping\n"); - mr[nr_range].start = start_pfn<= NR_RANGE_MR) + panic("run out of range for init_memory_mapping\n"); + mr[nr_range].start = start_pfn<